my 2007 petrol landcruiser wont rev past 3500 rpm no faults on 2007 Toyota Land Cruiser

heduihh fhf

Asked by for the 2007 Toyota Land Cruiser
could have a plugged converter
what does that mean
The exhaust is plugged up ,the catalytic
Converter part on exhaust is plugged up,
Thats why u cant rev it , it wont let the exhaust out...
sorry late reply.Ive had fuel pump replaced all fuel lines out and checked injectors out and cleaned and flowed rail off and checked convertors have heaps off powder coming out of them I think theres something rong